65478883470 has 256 divisors, whose sum is σ = 211304540160. Its totient is φ = 12541132800.

The previous prime is 65478883469. The next prime is 65478883489. The reversal of 65478883470 is 7438887456.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30299190 + ... + 30301350.

It is an arithmetic number, because the mean of its divisors is an integer number (825408360).

Almost surely, 2^65478883470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65478883470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105652270080).

65478883470 is an abundant number, since it is smaller than the sum of its proper divisors (145825656690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65478883470 is a wasteful number, since it uses less digits than its factorization.

65478883470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211.

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 65478883470 in words is "sixty-five billion, four hundred seventy-eight million, eight hundred eighty-three thousand, four hundred seventy".